Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 4 –3 to + 6 –3 to + 3 –3 to + 5 –3 to + 4 –3 to + 6 –3 to + 3 –3 to + 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 5 2 3 4 5 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Magnesium hydroxide Calcium hydroxide Magnesium carbonate Sodium bicarbonate Magnesium hydroxide Calcium hydroxide Magnesium carbonate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Oxygen Hydrogen Chlorine Nitrogen Oxygen Hydrogen Chlorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of bleaching powder is : Calcium bi chloride Calcium hypochlorite Calcium chloro hypochlorite Calcium chlorate Calcium bi chloride Calcium hypochlorite Calcium chloro hypochlorite Calcium chlorate ANSWER DOWNLOAD EXAMIANS APP
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